Chemistry Metal are good conductors, because They contain free electrons They contain reflecting surface The molecules in them collide very freely The molecules in them are very close to each other They contain free electrons They contain reflecting surface The molecules in them collide very freely The molecules in them are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O C12O OF2 H2O (2) N2O C12O OF2 H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sullage water is – Waste water released from factories Waste water released from kitchen Waste water released from hospitals Waste water released from toilets Waste water released from factories Waste water released from kitchen Waste water released from hospitals Waste water released from toilets ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Heavy metals Light metals Noble gases Halogens Heavy metals Light metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of TNT and charcoal Sulphur, sand and charcoal Sand and TNT Nitre, sulphur and charcoal TNT and charcoal Sulphur, sand and charcoal Sand and TNT Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP